Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Frugivory by Toucans (Ramphastidae) at Two Altitudes in the Atlantic Forest of Brazil, Mauro Galetti, Rudi Laps and Marco A. Pizo, BIOTROPICA 32(4b): 842-850 (2000)
♦ ³FRUITING PHENOLOGY AND FRUGIVORY ON THE PALM EUTERPE EDULIS IN A LOWLAND ATLANTIC FOREST IN BRAZIL, Mauro Galetti, Valesca B. Zipparro & Patricia C. Morellato, ECOTROPICA 5: 115-122, 1999